Refer to the weighted voting system 
and the Banzhaf definition of power. (The five players will be called P1, P2, P3, P4, and P5.)The number of coalitions is
A. 120.
B. 15.
C. 31.
D. 63.
E. none of these
Answer: C
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Use the indicated bin size to construct a frequency table for the set of data. Include columns for relative frequency and cumulative frequency.The ages of 25 patients who suffered strokes are as follows.
Use 5-point bins ( 45-49, 50-54, etc)
What will be an ideal response?
The following question refers to a country with five states. There are 250 seats in the legislature, and the populations of the states are given in the table below.
The standard divisor is
A. 4000. B. 10,000. C. 40,000. D. 25,000. E. none of these
Evaluate the expression using the given values.3xy - 
; x = 21, y = -5
A. 323 B. -325 C. -323 D. 325
The graph of a quadratic function is given. Choose the function's equation.
A. f(x) = -x2 - 2 B. f(x) = -x2 + 4x + 4 C. f(x) = -x2 + 2 D. f(x) = -x2 - 4x - 4